3765 has 8 divisors (see below), whose sum is σ = 6048. Its totient is φ = 2000.
The previous prime is 3761. The next prime is 3767. The reversal of 3765 is 5673.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3765 - 22 = 3761 is a prime.
It is a d-powerful number, because it can be written as 34 + 63 + 73 + 55 .
It is a nialpdrome in base 16.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 3765.
It is not an unprimeable number, because it can be changed into a prime (3761) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111 + ... + 140.
It is an arithmetic number, because the mean of its divisors is an integer number (756).
23765 is an apocalyptic number.
It is an amenable number.
3765 is a deficient number, since it is larger than the sum of its proper divisors (2283).
3765 is a wasteful number, since it uses less digits than its factorization.
3765 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259.
The product of its digits is 630, while the sum is 21.
The square root of 3765 is about 61.3595958266. The cubic root of 3765 is about 15.5568498545.
The spelling of 3765 in words is "three thousand, seven hundred sixty-five".
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